Genus Cookia R. P. Lesson, 1832

(5-4-1-3-2-12-2-7-0-0-0-0-0)
Ref. Abbott & Dance, 1982 p 48
Syn. Tubicanthus W. Swainson, 1840 in part
Ref. Vaught, 1989 p 11
[see also as Subgenus under Genus Astraea]

sulcata (J. F. Gmelin, 1791)
(5-4-1-3-2-12-2-7-0-1-0-0-0)
Captain Cook's Turban
Ref. Abbott & Dance, 1982 p 48 c